Home / 10,489,824,486.40-15,734,372,812.80-2,629,305,587.20

Finding the Fourth Proportional to 10,489,824,486.40, 15,734,372,812.80 and 2,629,305,587.20

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Solution

The fourth proportional to 10,489,824,486.40, 15,734,372,812.80 and 2,629,305,587.20 is: 3,943,867,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489,824,486.40 : 15,734,372,812.80 = 2,629,305,587.20 : x
  2. Step 2: Convert to fraction form
    10,489,824,486.40/15,734,372,812.80 = 2,629,305,587.20/x
  3. Step 3: Cross multiply
    10,489,824,486.40x = 15,734,372,812.80 × 2,629,305,587.20
  4. Step 4: Simplify right side
    10,489,824,486.40x = 41,370,474,347,782,815,744
  5. Step 5: Solve for x
    x = 41,370,474,347,782,815,744/10,489,824,486.40
  6. Step 6: Final answer
    x = 3,943,867,163.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.